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bpo-41421: Algebraic simplification for random.paretovariate() (GH-21695)

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Raymond Hettinger 2020-08-01 01:18:26 -07:00 • committed by GitHub
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Lib/random.py
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@ -749,7 +749,7 @@ class Random(_random.Random):
# Jain, pg. 495
u = 1.0 - self.random()
return 1.0 / u ** (1.0 / alpha)
return u ** (-1.0 / alpha)
def weibullvariate(self, alpha, beta):
"""Weibull distribution.